Home / 299,019,867.10-448,529,800.65-266,771,239.90

Finding the Fourth Proportional to 299,019,867.10, 448,529,800.65 and 266,771,239.90

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Solution

The fourth proportional to 299,019,867.10, 448,529,800.65 and 266,771,239.90 is: 400,156,859.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,019,867.10 : 448,529,800.65 = 266,771,239.90 : x
  2. Step 2: Convert to fraction form
    299,019,867.10/448,529,800.65 = 266,771,239.90/x
  3. Step 3: Cross multiply
    299,019,867.10x = 448,529,800.65 × 266,771,239.90
  4. Step 4: Simplify right side
    299,019,867.10x = 119,654,851,051,500,320
  5. Step 5: Solve for x
    x = 119,654,851,051,500,320/299,019,867.10
  6. Step 6: Final answer
    x = 400,156,859.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.